Floor vents in widebodies

Date:         09 Mar 97 12:39:35 
From:         lestroyens@aol.com (LesTroyens)
Organization: AOL http://www.aol.com
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After the Ermenonville/THY DC-10 crash, Douglas, Boeing and Lockheed were
ordered to install vents so as to prevent floor+cables collapse in the
case of explosive decompression in a widebody. (In Ermenonville, the cabin
floor had collapsed following the cargo door failure.)
Does anybody know of a case since where those vents have, in fact, saved
the day?